build: run qmllint through Quickshell tooling VFS (#1958)

quickshell/scripts/qmllint-entrypoints.sh

@@ -0,0 +1,97 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+script_dir="$(
+    CDPATH=''
+    cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd
+)"
+repo_root="$(
+    CDPATH=''
+    cd -- "${script_dir}/../.." && pwd
+)"
+quickshell_dir="${repo_root}/quickshell"
+qmllint_bin="${QMLLINT:-qmllint}"
+qmlls_config="${quickshell_dir}/.qmlls.ini"
+
+if ! command -v -- "${qmllint_bin}" >/dev/null 2>&1; then
+    printf 'error: qmllint not found in PATH (override with QMLLINT=/path/to/qmllint)\n' >&2
+    exit 127
+fi
+
+trim_ini_value() {
+    local value="$1"
+    value="${value#\"}"
+    value="${value%\"}"
+    printf '%s\n' "${value}"
+}
+
+read_ini_value() {
+    local key="$1"
+    local file="$2"
+    local raw
+
+    raw="$(sed -n "s/^${key}=//p" "${file}" | head -n 1)"
+    if [[ -z "${raw}" ]]; then
+        return 1
+    fi
+
+    trim_ini_value "${raw}"
+}
+
+print_vfs_recovery() {
+    printf 'Generate it by starting the local shell config once, for example:\n' >&2
+    printf '  dms -c %q run\n' "${quickshell_dir}" >&2
+    printf '  qs -p %q\n' "${quickshell_dir}" >&2
+}
+
+if [[ ! -e "${qmlls_config}" ]]; then
+    printf 'error: %s is missing. lint-qml requires the Quickshell tooling VFS.\n' "${qmlls_config}" >&2
+    print_vfs_recovery
+    exit 1
+fi
+
+if ! build_dir="$(read_ini_value "buildDir" "${qmlls_config}")"; then
+    printf 'error: %s does not contain a buildDir entry.\n' "${qmlls_config}" >&2
+    print_vfs_recovery
+    exit 1
+fi
+
+if ! import_paths_raw="$(read_ini_value "importPaths" "${qmlls_config}")"; then
+    printf 'error: %s does not contain an importPaths entry.\n' "${qmlls_config}" >&2
+    print_vfs_recovery
+    exit 1
+fi
+
+if [[ ! -d "${build_dir}" || ! -f "${build_dir}/qs/qmldir" ]]; then
+    printf 'error: Quickshell tooling VFS is missing or stale: %s\n' "${build_dir}" >&2
+    print_vfs_recovery
+    exit 1
+fi
+
+targets=(
+    "${quickshell_dir}/shell.qml"
+    "${quickshell_dir}/DMSShell.qml"
+    "${quickshell_dir}/DMSGreeter.qml"
+)
+
+qmllint_args=(
+    --ignore-settings
+    -W 0
+    -I "${build_dir}"
+)
+
+IFS=':' read -r -a import_paths <<< "${import_paths_raw}"
+for path in "${import_paths[@]}"; do
+    if [[ -n "${path}" ]]; then
+        qmllint_args+=(-I "${path}")
+    fi
+done
+
+if ! output="$("${qmllint_bin}" "${qmllint_args[@]}" "${targets[@]}" 2>&1)"; then
+    printf '%s\n' "${output}" >&2
+    exit 1
+fi
+
+if [[ -n "${output}" ]]; then
+    printf '%s\n' "${output}"
+fi